What We Do
How we do it
Resources
TRU INTELLIGENCE CENTER
Our Threat Response Unit (TRU) publishes security advisories, blogs, reports, industry publications and webinars based on its original research and the insights driven through proactive threat hunts.
View Threat Intelligence Resources →
SECURITY ADVISORIES
Aug 17, 2022
Increase in Observations of Socgholish Malware
THE THREAT Starting in early August 2022 and continuing through the month, eSentire identified a significant increase in Socgholish (aka. FakeUpdates) malware incidents. Socgholish is a loader type…
Read More
View all Advisories →
Company
ABOUT ESENTIRE
About Us
eSentire is The Authority in Managed Detection and Response Services, protecting the critical data and applications of 1500+ organizations in 80+ countries from known and unknown cyber threats. Founded in 2001, the company’s mission is to hunt, investigate and stop cyber threats before they become business disrupting events.
Read about how we got here
Leadership Work at eSentire
LATEST PRESS RELEASE
Sep 20, 2022
eSentire Recognized as Top Global MDR Provider by MSSP Alert, CrowdStrike and G2
Waterloo, ON - September 21, 2022 – eSentire, Inc., the Authority in Managed Detection and Response (MDR), celebrated multiple industry recognitions as the leading global MDR provider, over the last week: Named #9, and the top pure play MDR provider on MSSP Alert’s Top 250 MSSPs global rankingRecognized as the CrowdStrike 2022 Global MSSP Partner of the Year Earned G2’s industry-renowned status…
Read More
Partners
PARTNER PROGRAM
e3 Ecosystem
We provide sophisticated cybersecurity solutions for Managed Security Service Providers (MSSPs), Managed Service Providers (MSPs), and Value-Added Resellers (VARs). Find out why you should partner with eSentire, the Authority in Managed Detection and Response, today.
Learn more
ECOSYSTEM PARTNER RESOURCES
Apply to become an e3 ecosystem partner with eSentire, the Authority in Managed Detection and Response.
Login to the Partner Portal for resources and content for current partners.
Search
Resources
Security advisories — Feb 26, 2019

“Logjam” TLS Vulnerability

1 minute read
Speak With A Security Expert Now

A vulnerability recently exposed in Diffie-Hellman key exchange for TLS is potentially serious. However, it can be mitigated by doing the following on all of your TLS/SSL enabled systems:

Due to the nature of this vulnerability, we do not currently have signatures for detecting an exploit attempt in progress. However, we are actively researching methods of detection that can be rolled out to our sensors.

What We Know

The mechanics of this exploit require Man-in-the-Middle access to the network between the client and server, which makes the largest potential threat either internal users or outside users accessing an insecure network.

Affected known Protocols (TLS):

The below post on the Logjam attack outlines the configuration changes needed to generate a unique 2048-bit Diffie-Hellman group on common servers applications and will allow Server Test for HTTPS web servers.
https://weakdh.org/sysadmin.html (Site experiencing heavy load)

eSentire Defenses

eSentire has confirmed that our internal systems and the sensors deployed at client sites are protected against this threat. Current eSentire Continuous Vulnerability Service subscribers will receive in their next monthly report the details of any systems vulnerable to this attack.

Further Protection

How to further protect yourself from these (and other) emerging threats:

Resources

Join 100,000+ Security Leaders

Get notified when there's a new security advisory, and receive the latest news, intel and helpful tools & assets. You can unsubscribe anytime.

By clicking the button below I confirm that I have read and agree to the eSentire privacy policy.

View Most Recent Blogs